Hi Julian
The Double-banded Plover is an interesting
one. A complete pale hindneck collar is often (always??) present in
young birds, and to a varying extent in non-breeding adults, however you
wouldn't be able to tell this from most of our field guides. Plates in
Slaters, Simpson & Day and Morcombe don't show it, Pizzey does but
doesn't discuss it in the text. I should add that all my field guides are old
editions, maybe the newer ones have improved on this. HANZAB is more helpful if
you have access to it, as is the recently published 'Shorebirds of Australia' by
Andrew Geering et al. I'm not sure but this may be a youngish bird
moulting into adult breeding plumage for the first time, even so I think the
collar is unusually prominent. Normally it is a buffy colour rather than
white.
cheers
Steve
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